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Generated remediation guidance and an executive summary. No account required.
October is a Content Management System (CMS) and web platform. Versions prior to 3.7.14 and 4.1.10 contain a stored cross-site scripting (XSS) vulnerability in the Event Log mail preview feature. When viewing logged mail messages, HTML content was rendered in an iframe without proper sandboxing, allowing JavaScript execution in the viewer's browser context. This issue has been fixed in versions 3.7.14 and 4.1.10. If users are unable to update immediately, workarounds include restricting mail template editing permissions to fully trusted administrators only and restricting Event Log viewing permissions to minimize exposure.
Use CWE-79, Octobercms vendor hub and October product page to widen CVE-2026-24907 into its surrounding weakness, vendor, and product context.
Compare it with CVE-2025-61676, CVE-2025-61674 and CVE-2024-25837 for nearby disclosures in the same product family.